Home / 56,551.88-78,038.48-31,061.59

Finding the Fourth Proportional to 56,551.88, 78,038.48 and 31,061.59

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Solution

The fourth proportional to 56,551.88, 78,038.48 and 31,061.59 is: 42,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,551.88 : 78,038.48 = 31,061.59 : x
  2. Step 2: Convert to fraction form
    56,551.88/78,038.48 = 31,061.59/x
  3. Step 3: Cross multiply
    56,551.88x = 78,038.48 × 31,061.59
  4. Step 4: Simplify right side
    56,551.88x = 2,423,999,152.54
  5. Step 5: Solve for x
    x = 2,423,999,152.54/56,551.88
  6. Step 6: Final answer
    x = 42,863.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.